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Lighting (Interior) (Diagnostics): Other Lexus RX III

Interior/illumination Lights 5 illustrations ~5981 words

PRECAUTION

Note. When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Parking Assist Monitor System Refer to INITIALIZATION Side Monitor System (w/ Parking Assist Monitor System) Back Door Closer System Power Back Door System

Note. When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Parking Assist Monitor System Refer to INITIALIZATION Side Monitor System (w/ Parking Assist Monitor System) Back Door Closer System Power Back Door System

Scheme 60

Scheme 60: ILLUSTRATION
Scheme 60: ILLUSTRATION

Scheme 61

Scheme 61: ILLUSTRATION
Scheme 61: ILLUSTRATION

Scheme 62

Scheme 62: ILLUSTRATION
Scheme 62: ILLUSTRATION

Scheme 63

Scheme 63: ILLUSTRATION
Scheme 63: ILLUSTRATION

Scheme 64

Scheme 64: SYSTEM DIAGRAM
Scheme 64: SYSTEM DIAGRAM
  1. ILLUMINATED ENTRY SYSTEM

CUSTOMIZE PARAMETERS

  1. CUSTOMIZING FUNCTION WITH TECHSTREAM HINT: The following items can be customized. NOTE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a function, first make sure that the function is set to the default setting. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Customize Setting / Illuminated Entry. Select the setting by referring to the table below. ILLUMINATED ENTRY Tester Display Default Content Setting Lighting Time 15 s Changes the lighting time after closing all of the doors. (It will fade out immediately in case of turning the engine switch from off to on (ACC or IG).) 7.5 s, 15 s or 30 s I/L when ACC OFF ON Lights up engine switch illumination, front interior lights, rear interior light, footwell lights and scuff plate lights when the engine switch is turned from on (ACC or IG) to off. ON or OFF I/L ON W/Door Key Unlock ON Lights up engine switch illumination, front interior lights, rear interior light, footwell lights and scuff plate lights when doors are unlocked using a mechanical key or door control transmitter. ON or OFF Room Light when Aprchd ON Lights up the engine switch illumination, front interior lights, rear interior light, footwell lights and scuff plate lights when a key enters any actuation area around the doors. ON or OFF Center Console Spot Light ON Lights up the center console spot light when engine switch is turned on (ACC or IG) ON or OFF Interior Light Control ON Change the interior lights (engine switch illumination, front interior lights, rear interior light, footwell lights and scuff plate lights) control. ON or OFF

PROCEDURE

  1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the display on the Techstream. MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note IG SW Engine switch IG signal/ON or OFF ON: Engine switch on (IG) OFF: Engine switch off - OK Normal conditions listed above are displayed. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - BATTERY AND BODY GROUND) Disconnect the 2K and 2A instrument panel junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2K-1 - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-3 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (IG POWER SOURCE CIRCUIT) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2A-20 - Body ground Engine switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Reconnect the instrument panel junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A-32 (IG) - Body ground Engine switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *1 Instrument Panel Junction Block Assembly NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 6
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the display on the Techstream. MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note ACC SW Engine switch ACC signal / ON or OFF ON: Engine switch on (ACC) OFF: Engine switch off - OK Normal conditions listed above are displayed. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - BATTERY AND BODY GROUND) Disconnect the 2K and 2A instrument panel junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2K-1 - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-3 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (ACC POWER SOURCE CIRCUIT) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2A-17 - Body ground Engine switch on (ACC) 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Reconnect the instrument panel junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A-29 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V TEXT IN ILLUSTRATION *1 Instrument Panel Junction Block Assembly NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 6
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body or Back Door / Data List. Read the display on the Techstream. MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note FL Door Courtesy Front door courtesy light switch LH signal/ON or OFF ON: Front door LH open OFF: Front door LH closed - FR Door Courtesy Front door courtesy light switch RH signal/ON or OFF ON: Front door RH open OFF: Front door RH closed - RR Door Courtesy SW Rear door courtesy light switch RH signal/ON or OFF ON: Rear door RH open OFF: Rear door RH closed - RL Door Courtesy SW Rear door courtesy light switch LH signal/ON or OFF ON: Rear door LH open OFF: Rear door LH closed - Back Door Courtesy SW Back door courtesy switch signal/ON or OFF ON: Back door open OFF: Back door closed - BACK DOOR (W/ POWER BACK DOOR) Tester Display Measurement Item/Range Normal Condition Diagnostic Note Courtesy SW Back door Courtesy switch signal/ON or OFF ON: Back door open OFF: Back door closed - OK Normal conditions listed above are displayed. Result Result Proceed to OK A Front door courtesy light switch LH or RH does not operate B Rear door courtesy light switch LH or RH does not operate C Back door courtesy switch does not operate D D --> See step 7 C --> See step 5 B --> See step 2 A --> See step 12
  2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH OR RH) Remove the front door courtesy light switch assembly. Refer to «REMOVAL (TO 8/2009)»(ref-400892-S32094656472011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Switch body Pushed 10 kohms or higher 1 - Switch body Not pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Front Door Courtesy Light Switch Assembly) *2 Switch Body NG --> See step 9 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - SWITCH) for Front LH Disconnect the 2H instrument panel junction block assembly connector. Disconnect the P3 front door courtesy light switch assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2H-26 - P3-1 Always Below 1 ohms 2H-26 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Front Door Courtesy Light Switch Assembly) for Front RH Disconnect the 2D instrument panel junction block assembly connector. Disconnect the O4 front door courtesy light switch assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-26 - O4-1 Always Below 1 ohms 2D-26 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Front Door Courtesy Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY for Front LH Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2H-26 - A-2 (FLCY) Always Below 1 ohms 2H-26 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) for Front RH Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-26 - A-4 (FRCY) Always Below 1 ohms 2D-26 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 13
  5. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH OR RH) Remove the rear door courtesy light switch assembly. Refer to «REMOVAL (TO 8/2009)»(ref-400892-S11843949472011051800000) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Switch body Pushed 10 kohms or higher 1 - Switch body Not pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Rear Door Courtesy Light Switch Assembly) *2 Switch Body NG --> See step 10 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR COURTESY LIGHT SWITCH) for Rear LH Disconnect the F12 main body ECU (multiplex network body ECU) connector. Disconnect the P13 rear door courtesy light switch assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F12-3 (LCTY) - P13-1 Always Below 1 ohms F12-3 (LCTY) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) *2 Front view of wire harness connector (to Rear Door Courtesy Light Switch Assembly) for Rear RH Disconnect the F13 main body ECU (multiplex network body ECU) connector. Disconnect the O14 rear door courtesy light switch assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F13-6 (RCTY) - O14-1 Always Below 1 ohms F13-6 (RCTY) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) *2 Front view of wire harness connector (to Rear Door Courtesy Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 13
  7. INSPECT BACK DOOR LOCK ASSEMBLY w/o Power Back Door Remove the back door lock assembly. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S32061338332011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - 3 Locked 10 kohms or higher 1 - 3 Unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Back Door Lock Assembly) *2 Lock *3 Unlock w/ Power Back Door Remove the back door lock assembly. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S32061338332011051800000) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 8 (CTY) - 7 (E) Open-latch Below 1 ohms 8 (CTY) - 7 (E) Half-latch Below 1 ohms 8 (CTY) - 7 (E) Full-latch 10 kohms or higher 8 (CTY) - 7 (E) Over-latch 10 kohms or higher NG --> See step 11 OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK - MAIN BODY ECU OR POWER BACK DOOR UNIT) w/o Power Back Door Disconnect the F13 main body ECU (multiplex network body ECU) connector. Disconnect the Y9 back door lock assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F13-19 (BCTY) - Y9-3 Always Below 1 ohms F13-19 (BCTY) - Body ground Always 10 kohms or higher Y9-1 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) *2 Front view of wire harness connector (to Back Door Lock Assembly) w/ Power Back Door Disconnect the P33 power back door unit assembly connector. Disconnect the Y10 back door lock assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition P33-20 (FUL) - Y10-8 (CTY) Always Below 1 ohms P33-20 (FUL) - Body ground Always 10 kohms or higher Y10-7 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Back Door Unit Assembly) *2 Front view of wire harness connector (to Back Door Lock Assembly) Result Result Proceed to OK (w/o Power Back Door) A OK (w/ Power Back Door) B NG C C --> REPAIR OR REPLACE HARNESS OR CONNECTOR B --> See step 14 A --> See step 13
  9. REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL (TO 8/2009)»(ref-400892-S32094656472011051800000)
  10. REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL (TO 8/2009)»(ref-400892-S11843949472011051800000)
  11. REPLACE BACK DOOR LOCK ASSEMBLY. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S32061338332011051800000)
  12. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  13. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  14. REPLACE POWER BACK DOOR UNIT ASSEMBLY. Refer to «REMOVAL (TO 08/2009)»(ref-400831-S13129422572011051800000)
  1. CHECK OPERATION Check the operation of each courtesy light. Result Result Proceed to Front courtesy light LH does not comes on A Front courtesy light RH does not comes on B Rear courtesy light LH does not comes on C Rear courtesy light RH does not comes on D D --> See step 6 C --> See step 5 B --> See step 3 A: Go to next step
  2. CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the F12 main body ECU (multiplex network body ECU) connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F12-1 (FLCL) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 7
  3. CHECK HARNESS AND CONNECTOR (BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) Disconnect the 2D instrument panel junction block assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2D-11 - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-11 - A-3 (FRCL) Always Below 1 ohms 2D-11 - Body ground Always 10 kohms or higher Check that the courtesy light comes on. OK Courtesy light comes on. TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 7
  5. CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the F12 main body ECU (multiplex network body ECU) connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F12-4 (LCYL) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 7
  6. CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the F14 main body ECU (multiplex network body ECU) connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F14-1 (RCYL) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 7
  7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Active Test. Check that the lights operate. MAIN BODY Tester Display Test Part Control Range Diagnostic Note Illuminated Entry System Interior lights, footwell lights and scuff plate lights ON/OFF Interior light door switch on (not pushed), interior light on/off switch off (not pushed) and all doors closed OK Each light fades in. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) Disconnect the 2D and 2H instrument panel junction block assembly. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2D-12 - Body ground Always 11 to 14 V 2D-13 - Body ground Always 11 to 14 V 2H-23 - Body ground Always 11 to 14 V 2H-24 - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-12 - A-1 (ILE) Always Below 1 ohms 2D-13 - A-1 (ILE) Always Below 1 ohms 2H-23 - A-1 (ILE) Always Below 1 ohms 2H-24 - A-1 (ILE) Always Below 1 ohms A-1 (ILE) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 4
  4. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the display on the Techstream. BODY (MAIN BODY ECU RH) Tester Display Measurement Item/Range Normal Condition Diagnostic Note Dome Light DOOR SW Interior light door switch signal/ON or OFF ON: Interior light door switch not pushed OFF: Interior light door switch pushed - Dome Light SW Interior light on/off switch signal/ON or OFF ON: Interior light on/off switch pushed OFF: Interior light on/off switch not pushed - OK Switch condition can be displayed. Result Result Proceed to Interior light door switch does not operate A Interior light on/off switch does not operate B Both interior light door switch and on/off switch do not operate C OK D C --> See step 6 B --> See step 4 A --> See step 2 D --> See step 7
  2. INSPECT MAP LIGHT ASSEMBLY Remove the map light assembly. Refer to «REMOVAL»(ref-400892-S36957001612011051800000) . Measure the resistance according to the value(s) in the table. Standard Resistance Tester Connection Condition Specified Condition 18 (DOOR) - 40 (GND) Interior light door switch pushed 10 kohms or higher Interior light door switch not pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected: (Map Light Assembly) NG --> See step 8 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU) Disconnect the T10 map light assembly connector. Disconnect the F14 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table. Standard Resistance Tester Connection Condition Specified Condition T10-18 (DOOR) - F14-25 (DMDR) Always Below 1 ohms T10-18 (DOOR) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Map Light Assembly) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
  4. INSPECT MAP LIGHT ASSEMBLY Remove the map light assembly. Refer to «REMOVAL»(ref-400892-S36957001612011051800000) . Measure the resistance according to the value(s) in the table. Standard Resistance Tester Connection Condition Specified Condition 17 (CILL) - 40 (GND) Interior light on/off switch not pushed 10 kohms or higher Interior light on/off switch pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected: (Map Light Assembly) NG --> See step 8 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU) Disconnect the map light assembly connector. Disconnect the main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table. Standard Resistance Tester Connection Condition Specified Condition T10-17 (CILL) - F14-26 (DMON) Always Below 1 ohms T10-17 (CILL) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Map Light Assembly) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
  6. INSPECT MAP LIGHT ASSEMBLY Remove the map light assembly. Refer to «REMOVAL»(ref-400892-S36957001612011051800000) . Measure the resistance according to the value(s) in the table. Standard Resistance Tester Connection Condition Specified Condition 18 (DOOR) - 40 (GND) Interior light door switch pushed 10 kohms or higher Interior light door switch not pushed Below 1 ohms 17 (CILL) - 40 (GND) Interior light on/off switch not pushed 10 kohms or higher Interior light on/off switch pushed Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected: (Map Light Assembly) NG --> See step 8 OK --> REPAIR OR REPLACE HARNESS OR CONNECTOR (MAP LIGHT ASSEMBLY - BODY GROUND)
  7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  8. REPLACE MAP LIGHT ASSEMBLY. Refer to «REMOVAL»(ref-400892-S36957001612011051800000) .
  9. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Active Test. Check that the center console spot light comes on. MAIN BODY Tester Display Test Part Control Range Diagnostic Note Center Console Spot LGT Center console spot light ON/OFF Engine switch off OK Center console spot light comes on. NG --> See step 2 OK --> See step 5
  2. INSPECT MAP LIGHT ASSEMBLY Remove the map light assembly. Refer to «REMOVAL»(ref-400892-S36957001612011051800000) Connect a positive (+) lead from the battery to terminal 9 and a negative (-) lead to terminal 16. Check that the center console spot light comes on. OK Center console spot light comes on. TEXT IN ILLUSTRATION *1 Component without harness connected (Map Light Assembly) NG --> See step 4 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND) Disconnect the T10 map light assembly connector. Disconnect the F12 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition T10-16 (SHFT) - F12-5 (CSPT) Always Below 1 ohms T10-16 (SHFT) - Body ground Always 10 kohms or higher Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition T10-9 (+B1) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Map Light Assembly) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 6
  4. REPLACE MAP LIGHT ASSEMBLY. Refer to «REMOVAL»(ref-400892-S36957001612011051800000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Smart Access / Active Test. Check that the illumination operates. SMART ACCESS Tester Display Test Part Control Range Diagnostic Note Power/Engine SW Light Engine switch illumination ON/OFF - OK Engine switch illumination comes on. NG --> See step 2 OK --> See step 5
  2. INSPECT ENGINE SWITCH Remove the engine switch. Refer to «REMOVAL (TO 08/2009)»(ref-400787-S29218805132011051800000) . Connect a positive (+) lead from the battery to terminal 11 and a negative (-) lead to terminal 5. Check that the illumination comes on. OK Engine switch illumination comes on. TEXT IN ILLUSTRATION *1 Illumination *2 Component without harness connected (Engine Switch) NG --> See step 4 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU AND BODY GROUND) Disconnect the F58 certification ECU (smart key ECU assembly) connector. Disconnect the F22 engine switch connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F22-11 (SWIL) - F58-11 (SWIL) Always Below 1 ohms F22-11 (SWIL) - Body ground Always 10 kohms or higher F22-5 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Engine Switch) *2 Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 6
  4. REPLACE ENGINE SWITCH. Refer to «REMOVAL (TO 08/2009)»(ref-400787-S29218805132011051800000) .
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  6. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-400879-S13103807332011051800000)
  1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER BACK DOOR UNIT ASSEMBLY) Disconnect the P33 power back door unit assembly (power back door ECU) connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester connection Switch Condition Specified condition P33-3 (CTYO) - Body ground Luggage compartment light switch off Below 1 V P33-3 (CTYO) - Body ground Luggage compartment light switch on 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Back Door Unit Assembly (Power Back Door ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 2
  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the display on the Techstream. MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note FL Door Lock Pos Front door unlock detection switch LH signal/ON or OFF ON: Front door LH unlocked OFF: Front door LH locked - FR Door Lock Pos Front door unlock detection switch RH signal/ON or OFF ON: Front door RH unlocked OFF: Front door RH locked - RL-Door Lock Pos SW Rear door unlock detection switch LH signal/ON or OFF ON: Rear door LH unlocked OFF: Rear door LH locked - RR-Door Lock Pos SW Rear door unlock detection switch RH signal/ON or OFF ON: Rear door RH unlocked OFF: Rear door RH locked - Result Result Proceed to OK A Front door unlock detection switch LH does not operate B Front door unlock detection switch RH does not operate C Rear door unlock detection switch LH does not operate D Rear door unlock detection switch RH does not operate E E --> See step 9 D --> See step 6 C --> See step 4 B --> See step 2 A --> See step 11
  2. INSPECT FRONT DOOR LOCK ASSEMBLY LH Remove the front door lock assembly LH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S21241113762011051800000) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 7 (E) - 8 (LSSR) Locked 10 kohms or higher Unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Front Door Lock Assembly LH) *2 Unlock *3 Lock NG --> See step 12 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND) Disconnect the J8 front door lock assembly LH connector. Disconnect the F13 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition J8-8 (LSSR) - F13-7 (LSFL) Always Below 1 ohms J8-8 (LSSR) - Body ground Always 10 kohms or higher J8-7 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Door Lock Assembly LH) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 16
  4. INSPECT FRONT DOOR LOCK ASSEMBLY RH Remove the front door lock assembly RH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S21241113762011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 7 (LSSR) - 8 (E) Locked 10 kohms or higher Unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Front Door Lock Assembly RH) *2 Unlock *3 Lock NG --> See step 13 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND) Disconnect the I8 front door lock assembly RH connector. Disconnect the F13 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection (Symbols) Condition Specified Condition I8-7 (LSSR) - F13-18 (LSFR) Always Below 1 ohms I8-7 (LSSR) - Body ground Always 10 kohms or higher I8-8 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Door Lock Assembly RH) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 16
  6. INSPECT REAR DOOR LOCK ASSEMBLY LH Remove the rear door lock assembly LH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S07148064132011051800000) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 6 (LSSR) - 9 (E) Locked 10 kohms or higher Unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Rear Door Lock Assembly LH) *2 Lock *3 Unlock NG --> See step 14 OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND) Disconnect the L6 rear door lock assembly LH connector. Disconnect the 2H instrument panel junction block assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L6-6 (LSSR) - 2H-27 Always Below 1 ohms L6-6 (LSSR) - Body ground Always 10 kohms or higher L6-9 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Rear Door Lock Assembly LH) *2 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  8. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2H-27 - A-5 (LSWL) Always Below 1 ohms 2H-27 - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY OK --> See step 16
  9. INSPECT REAR DOOR LOCK ASSEMBLY RH Remove the rear door lock assembly RH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S07148064132011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Door Lock Condition Specified Condition 6 (LSSR) - 9 (E) Locked 10 kohms or higher Unlocked Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Rear Door Lock Assembly RH) *2 Lock *3 Unlock NG --> See step 15 OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND) Disconnect the K6 rear door lock assembly RH connector. Disconnect the F14 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection (Symbols) Condition Specified Condition K6-6 (LSSR) - F14-2 (LSWR) Always Below 1 ohms K6-6 (LSSR) - Body ground Always 10 kohms or higher K6-9 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Rear Door Lock Assembly RH) *2 Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 16
  11. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400880-S23094426432011051800000)
  12. REPLACE FRONT DOOR LOCK ASSEMBLY LH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S21241113762011051800000)
  13. REPLACE FRONT DOOR LOCK ASSEMBLY RH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S21241113762011051800000)
  14. REPLACE REAR DOOR LOCK ASSEMBLY LH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S07148064132011051800000)
  15. REPLACE REAR DOOR LOCK ASSEMBLY RH. Refer to «REMOVAL (TO 8/2009)»(ref-400923-S07148064132011051800000)
  16. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL (TO 8/2009)»(ref-400866-S02233239402011051800000)

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